Unit 4: Weather
暂无描述。系统推荐的高质量记忆内容，适合每天坚持背诵学习。
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Thermometer
an instrument used to measure temperature
Barometer
an instrument used to measure air pressure high and low pressure
Hygrometer
an instrument used to measure humidity, or the amount of vapor in the air
Anemometer
an instrument used to measure wind speed
Wind Vane
an instrument used to measure wind direction
Rain Gauge
an instrument used to measure the amount of rainfall
Cold Front Attributes: Type of Weather Temperature and Humidity Weather after Front Passes
severe weather decreases passes quickly and clear skies afterwords
Warm Front Attributes: Type of Weather Temperature and Humidity Weather after Front Passes
light rain increases passes slowly and clear skies afterwords
Stationary Front
can cause rainy weather to stay in one place for several days
High Pressure
good weather: sunny, clear skies symbol is blue H
Low Pressure
bad weather: stormy, cloudy, oercast symbol is red L
Clouds
condensed water vapor in the atmosphere
Cumulus
white puffy clouds a sign of good weather medium altitudes
Stratus
flat, gray clouds a sign of rain low altitudes
Cirrus
white, wispy clouds a sign of good weather high altitudes
Weather vs. Climate
Weather depends on what is happening outside right now, while climate depends on the type of weather over several years
Weather or Climate: It was cloudy and rainy all weekend.
Weather
Weather or Climate: Arizona is dry most of the time.
Climate
Weather or Climate: Jenny’s roof sprang a leak last week because of all the rain.
Weather
Weather or Climate: The average yearly rainfall in Hawaii is 78 inches.
Climate
Weather or Climate: A big blizzard in Connecticut caused power outages across the state.
Weather
Weather or Climate: The average high temperature for Atlanta is 80 degrees Fahrenheit.
Climate
Weather or Climate: It is usually raining in Seattle.
Climate
Weather or Climate: Today is sunny, but tomorrow has a 10% chance of rain
Weather